CN216945811U

CN216945811U - Be applicable to prefabricated tube coupling and assemble hoist

Info

Publication number: CN216945811U
Application number: CN202220625127.2U
Authority: CN
Inventors: 袁征; 闫扬义; 冯战勇; 刘娇; 刘思祺; 常宏; 杨聚辉; 卓庆敏
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-12
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a lifting appliance suitable for assembling prefabricated pipe joints, and solves the problem that the pipe joint assembling lifting appliance in the prior art is low in pipe piece clamping efficiency. The assembling lifting appliance comprises an L-shaped structural member and an I-shaped structural member which can be opened and closed relative to the L-shaped structural member, wherein the I-shaped structural member is connected to a vertical beam of the L-shaped structural member, and a cross beam of the L-shaped structural member is provided with a jacking member corresponding to the I-shaped structural member. The C-shaped lifting appliance capable of being opened and closed is realized by rotating or stretching the I-shaped structural member relative to the L-shaped structural member, so that not only can the duct piece be quickly grabbed, but also the function of quickly withdrawing the duct piece after the duct piece is in place can be realized, the time for assembling the lifting appliance to align the duct piece is saved, and the lifting efficiency of the duct piece is improved.

Description

Be applicable to prefabricated tube coupling and assemble hoist

Technical Field

The utility model relates to the technical field of pipe joint hoisting, in particular to a prefabricated pipe joint assembling lifting appliance.

Background

At present, the construction progress of the comprehensive pipe gallery is increased, and the prefabricated pipe joints are assembled faster than that of a cast-in-place construction method, and have the advantages of less pollution, controllable quality and the like. The prefabricated pipe joints need to be assembled by one section, and the assembling speed is determined by pipe joint assembling equipment. The assembling lifting appliance is a part of the assembling equipment and is positioned at the lower part of the upper telescopic arm and the lower telescopic arm. The pipe coupling hoist structure of assembling that adopts at present often is following two kinds of structures: one is the reinforcing bar rope + bolt structure, and the other is C type hoist. The first structure needs to embed the threaded hole in advance when the pipe joint is poured, so that the manufacturing cost of the pipe joint is increased, and the pipe joint is inconvenient to install and disassemble; the second structure needs to be centered when clamping the pipe joint, and wastes time and labor. Therefore, in order to save a large amount of assembling time, the assembling lifting appliance needs to be optimized.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a lifting appliance suitable for assembling prefabricated pipe joints, and solves the problem that the pipe joint assembling lifting appliance in the prior art is low in pipe piece clamping efficiency.

The technical scheme of the utility model is realized as follows: the utility model provides a hoist is assembled to prefabricated tube coupling, includes L type structure and the I type structure that can open and shut relatively L type structure, and I type structure is connected on the perpendicular roof beam of L type structure, is equipped with the top piece corresponding with I type structure on the crossbeam of L type structure.

As a preferred embodiment: the I-shaped structural part is opened and closed relative to the L-shaped structural part through rotation. The method specifically comprises the following steps: the I-shaped structural part is rotatably connected with the L-shaped structural part through a pin shaft I, and the pin shaft I is fixedly connected with the I-shaped structural part and is connected with a driving device arranged on the L-shaped structural part; and a limiting mechanism is arranged between the I-shaped structural member and the L-shaped structural member.

The limiting mechanism comprises an oil cylinder with a pin shaft, which is arranged on the L-shaped structural member, and the pin shaft part of the oil cylinder with the pin shaft corresponds to a limiting hole arranged on the I-shaped structural member. And the end part of the L-shaped structural member vertical beam is provided with a limiting block corresponding to the I-shaped structural member.

As another preferable scheme: the I-shaped structural member is telescopic to realize opening and closing of the relative L-shaped structural member. The vertical beam of the L-shaped structural member is provided with a telescopic through hole, and the I-shaped structural member is inserted into the telescopic through hole and connected with a telescopic driving member arranged on the L-shaped structural member.

The telescopic driving piece is a driving oil cylinder, one end of the driving oil cylinder is hinged with the I-shaped structural piece, and the other end of the driving oil cylinder is hinged on a vertical beam of the L-shaped structural piece. The inserting end of the I-shaped structural member is provided with an inclined plane convenient for inserting. The jacking piece is a jacking oil cylinder, and a jacking block is arranged at the telescopic end of the jacking oil cylinder.

The C-shaped lifting appliance capable of being opened and closed is realized by rotating or stretching the I-shaped structural member relative to the L-shaped structural member, so that not only can the duct piece be quickly grabbed, but also the function of quickly withdrawing the duct piece after the duct piece is in place can be realized, the time for assembling the lifting appliance to align the duct piece is saved, and the lifting efficiency of the duct piece is improved. The pin shaft on the oil cylinder with the pin shaft bears the torque caused by the gravity of the segment in the segment transportation process, the force bearing function of the driving device is protected, and the safety coefficient of the lifting appliance is improved. The utility model has simple structure, low cost, convenient operation and high practicability.

Drawings

In order to illustrate the embodiments of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.

Fig. 1 is a schematic side view of the assembled spreader of the present invention.

Fig. 2 is a schematic view of an I-shaped structural member of the assembled spreader in a horizontal state in embodiment 2.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of an I-shaped structural member of the assembled spreader in an upright state in embodiment 2.

Fig. 5 is a partially enlarged view of fig. 4 at B.

Fig. 6 is a schematic view of the working state of the assembled spreader in embodiment 2.

Fig. 7 is a schematic view of an extended state of the I-shaped structural member in example 3.

Fig. 8 is a schematic view of a retracted state of the I-shaped structural member in example 3.

In the figure: l type structure 1, I type structure 2, stopper 3, drive arrangement 4, round pin axle I5, key 6, area round pin axle hydro-cylinder 7, top tight piece 8, flexible driving piece 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, in embodiment 1, a hanger suitable for splicing prefabricated pipe sections comprises an L-shaped structural member 1 and an I-shaped structural member 2 capable of opening and closing relative to the L-shaped structural member 1, and when the hanger is in a closed state, the hanger is used for lifting pipe pieces, and at this time, the I-shaped structural member 2 and the L-shaped structural member 1 form a C-shaped hanger; when the duct piece is assembled in place, the C-shaped lifting appliance is opened, so that the lifting appliance can move smoothly, and the next duct piece can be conveniently and quickly lifted. The I-shaped structural part 2 is connected to a vertical beam of the L-shaped structural part 1, and a cross beam of the L-shaped structural part 1 is provided with a jacking part 8 corresponding to the I-shaped structural part 2; in the process of lifting the duct piece, the jacking piece is tightly pressed on the duct piece, and the effect of stabilizing the duct piece is achieved. According to the preferable scheme, the jacking piece 8 is a jacking oil cylinder, and the jacking oil cylinder is embedded in a cross beam of the L-shaped structural member 1. For improving the jacking effect, the telescopic end of the jacking oil cylinder is provided with a jacking block, and the jacking block is tightly pressed on the duct piece in the hoisting process, so that the duct piece between the I-shaped structural member and the L-shaped structural member is guaranteed to be stably hoisted.

As shown in fig. 2 and 3, in embodiment 2, the I-shaped structural member 2 is opened and closed relative to the L-shaped structural member 1 by rotating on the basis of embodiment 1, which is suitable for assembling a prefabricated pipe section. The method specifically comprises the following steps: the I-shaped structural part 2 is rotationally connected with the L-shaped structural part 1 through a pin shaft I5, and the pin shaft I5 is fixedly connected with the I-shaped structural part 2 and connected with a driving device 4 arranged on the L-shaped structural part 1; the driving device can adopt a motor or a motor; pin shaft I is fixedly connected with I-shaped structural member 2 through key 6, and synchronous rotation of I-shaped structural member 2 and pin shaft I is realized. The driving device drives the I-shaped structural part to rotate through the pin shaft I5, so that the relative type of the I-shaped structural part is changed and is suitable for assembling the lifting appliance for the prefabricated pipe joints, and the I-shaped structural part 2 is rotated to realize the relative position. In order to ensure the stability of the relative positions of the I-shaped structural member 2 and the L-shaped structural member, a limiting mechanism is arranged between the I-shaped structural member 2 and the L-shaped structural member 1.

Specifically, the method comprises the following steps: as shown in fig. 4 and 5, the limiting mechanism includes an oil cylinder 7 with a pin shaft disposed on the L-shaped structural member 1, and the pin shaft portion of the oil cylinder 7 with a pin shaft corresponds to the limiting hole disposed on the I-shaped structural member 2. After the I-shaped structural member 2 rotates to a proper position, the oil cylinder 7 with the pin shaft drives the pin shaft part to extend out and insert into the corresponding limiting hole, the I-shaped structural member 2 is fixed, and the pin shaft I and the pin shaft part play a role in bearing at the moment. The end part of the vertical beam of the L-shaped structural member 1 is provided with a limiting block 3 corresponding to the I-shaped structural member 2; when the I-shaped structural part 2 is in a closed state, namely the I-shaped structural part 2 and the L-shaped structural part 1 form a C-shaped lifting appliance, the limiting block 3 limits the I-shaped structural part, and the I-shaped structural part is ensured to be horizontal and not to interfere or collide with the L-shaped structural part.

The working process of the embodiment is as follows: as shown in fig. 6, (1) the telescopic arm oil cylinders on the gantry crane and the hoisting crane are matched with each other, so that the assembled lifting appliance moves to the position of the pipe joint to be lifted, and the I-shaped structure is in a vertical state at the moment; (2) the driving device drives the pin shaft I to rotate the I-shaped structure by 90 degrees, the lug plate of the I-shaped structure is contacted with the limiting block on the L-shaped structure, and the oil cylinder with the pin shaft is in a completely retracted state; (3) the oil cylinder with the pin shaft is completely extended out; (4) the telescopic arm oil cylinders on the gantry crane and the hoisting overhead traveling crane are matched with each other to transport the pipe joints to proper positions; (5) the oil cylinder with the pin shaft is completely retracted, and the I-shaped structure rotates around the pin shaft to reach a vertical position; (6) and (3) the telescopic arm oil cylinders on the gantry crane and the hoisting overhead traveling crane are matched with each other, the assembled lifting appliance is quickly moved away, and the next pipe joint is installed.

As shown in fig. 7 and 8, in embodiment 3, the I-shaped structural member 2 is adapted to be opened and closed relative to the L-shaped structural member 1 by telescoping, so as to form a prefabricated pipe joint assembling lifting appliance. The method specifically comprises the following steps: the vertical beam of the L-shaped structural member 1 is provided with a telescopic through hole, and the I-shaped structural member 2 is inserted into the telescopic through hole and connected with a telescopic driving member 9 arranged on the L-shaped structural member 1. Under the effect of flexible driving piece 9, drive the relative L type structure 1 horizontal concertina movement of I type structure 2, when I type structure 2 stretches out completely, form C type hoist with L type structure 1 for the stable hoist and mount to the section of jurisdiction. When the I-shaped structural member 2 is completely retracted, the insertion end of the I-shaped structural member 2 is positioned in the telescopic through hole, so that the lifting appliance can be quickly withdrawn after the duct piece is in place.

Further, the telescopic driving piece 9 is a driving oil cylinder, one end of the driving oil cylinder is hinged with the I-shaped structural piece 2, and the other end of the driving oil cylinder is hinged on a vertical beam of the L-shaped structural piece 1. The inserting end of the I-shaped structural member 2 is provided with an inclined plane convenient for inserting. When the I-shaped structural member is in a complete recovery state, the insertion end of the I-shaped structural member 2 is still positioned in the telescopic through hole, so that the L-shaped structural member 1 can be conveniently and rapidly extended next time.

The other structure is the same as embodiment 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a hoist is assembled to prefabricated tube coupling which characterized in that: the L-shaped structure comprises an L-shaped structure (1) and an I-shaped structure (2) which can be opened and closed relative to the L-shaped structure (1), wherein the I-shaped structure (2) is connected to a vertical beam of the L-shaped structure (1), and a top fastening piece (8) corresponding to the I-shaped structure (2) is arranged on a cross beam of the L-shaped structure (1).

2. The assembling lifting appliance suitable for the prefabricated pipe sections according to claim 1, wherein: the I-shaped structural member (2) is opened and closed relative to the L-shaped structural member (1) through rotation.

3. The assembling lifting appliance suitable for the prefabricated pipe sections according to claim 2, wherein: the I-shaped structural part (2) is rotatably connected with the L-shaped structural part (1) through a pin shaft I (5), and the pin shaft I (5) is fixedly connected with the I-shaped structural part (2) and is connected with a driving device (4) arranged on the L-shaped structural part (1); a limiting mechanism is arranged between the I-shaped structural part (2) and the L-shaped structural part (1).

4. The assembling lifting appliance suitable for the prefabricated pipe sections according to claim 3, wherein: the limiting mechanism comprises an oil cylinder (7) with a pin shaft arranged on the L-shaped structural member (1), and the pin shaft part of the oil cylinder (7) with the pin shaft corresponds to a limiting hole arranged on the I-shaped structural member (2).

5. The precast pipe segment assembling lifting appliance according to claim 3 or 4, wherein: and the end part of the vertical beam of the L-shaped structural member (1) is provided with a limiting block (3) corresponding to the I-shaped structural member (2).

6. The assembling lifting appliance suitable for the prefabricated pipe sections according to claim 1, wherein: the I-shaped structural member (2) is opened and closed relative to the L-shaped structural member (1) through stretching.

7. The assembling lifting appliance suitable for the prefabricated pipe sections according to claim 6, wherein: the vertical beam of the L-shaped structural part (1) is provided with a telescopic through hole, and the I-shaped structural part (2) is inserted into the telescopic through hole and is connected with a telescopic driving part (9) arranged on the L-shaped structural part (1).

8. The assembling lifting appliance suitable for the prefabricated pipe sections according to claim 7, wherein: the telescopic driving piece (9) is a driving oil cylinder, one end of the driving oil cylinder is hinged with the I-shaped structural piece (2), and the other end of the driving oil cylinder is hinged on a vertical beam of the L-shaped structural piece (1).

9. The assembling lifting appliance suitable for the prefabricated pipe sections according to claim 8, wherein: the inserting end of the I-shaped structural member (2) is provided with an inclined plane convenient for inserting.

10. The assembling lifting appliance suitable for the prefabricated pipe joints according to any one of claims 1 to 4 and 6 to 9, which is characterized in that: the jacking piece (8) is a jacking oil cylinder, and a jacking block is arranged at the telescopic end of the jacking oil cylinder.